mcast-snooping: Use IPv6 address for MDB

[cascardo/ovs.git] / include / sparse / netinet / in.h

diff --git a/include/sparse/netinet/in.h b/include/sparse/netinet/in.h
index 83ad2cc..f3ce8b9 100644 (file)
--- a/include/sparse/netinet/in.h
+++ b/include/sparse/netinet/in.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2013, 2014 Nicira, Inc.
+ * Copyright (c) 2011, 2013, 2014, 2015 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -99,6 +99,20 @@ struct sockaddr_in6 {
 #define INADDR_LOOPBACK         0x7f000001
 #define INADDR_NONE             0xffffffff
 
+#define IN6_IS_ADDR_V4MAPPED(X)                 \
+    ((X)->s6_addr[0] == 0 &&                    \
+     (X)->s6_addr[1] == 0 &&                    \
+     (X)->s6_addr[2] == 0 &&                    \
+     (X)->s6_addr[3] == 0 &&                    \
+     (X)->s6_addr[4] == 0 &&                    \
+     (X)->s6_addr[5] == 0 &&                    \
+     (X)->s6_addr[6] == 0 &&                    \
+     (X)->s6_addr[7] == 0 &&                    \
+     (X)->s6_addr[8] == 0 &&                    \
+     (X)->s6_addr[9] == 0 &&                    \
+     (X)->s6_addr[10] == 0xff &&                \
+     (X)->s6_addr[11] == 0xff)
+
 #define INET6_ADDRSTRLEN 46
 
 #define IPV6_TCLASS   67